Police said it's unclear if she was in the waiting room or being treated.

FOUND! Terhass Abraha, 22, disappeared from an adult activity center in The Heights yesterday afternoon. She is a woman with autism. Ppl were worried. Happy to say Terhass has been found! She was located at Memorial Hermann. She wasn’t hurt. #abc13https://t.co/Wsj5QiQApOpic.twitter.com/zckH3aEVly